Subtraction Within 20 Worksheets
Fill in each difference to build fluency with subtraction facts within 20.
60 problems · A4 · 1 page
What’s in this worksheet?
These 60 subtraction problems start with numbers up to 20, and the answer can be zero. For 16 − 7, split 7 into 6 and 1 so you can subtract to 10 first. Check your answer by adding back the number you subtracted.
Subtraction Within 20 Worksheets
Name: ___________Date: ___________Time: ___________
8−3=
15−8=
9−7=
4−1=
11−4=
11−5=
15−11=
12−12=
11−10=
8−8=
6−4=
13−13=
16−15=
2−2=
5−1=
4−3=
7−7=
9−6=
8−1=
20−4=
1−1=
9−5=
20−3=
13−12=
17−1=
9−4=
3−2=
9−8=
19−11=
13−5=
16−9=
15−4=
15−10=
6−1=
16−8=
18−1=
19−10=
3−3=
12−2=
9−9=
13−3=
2−1=
9−1=
10−5=
18−18=
11−1=
8−2=
10−8=
14−2=
4−4=
3−1=
7−6=
10−9=
18−8=
18−2=
18−7=
6−5=
16−10=
13−1=
19−17=